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Zhang Y, Fang X, Luo L, Xiong Y, Zhang W, Gou Y, Gong C, Xiang Z, Kuang F, Duan H. Clinical Analysis of Microwave Ablation Combined with Decompression and Pedicle Screw Fixation in the Treatment of Spinal Metastases. Orthop Surg 2024. [PMID: 38644512 DOI: 10.1111/os.14063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 04/23/2024] Open
Abstract
OBJECTIVES There is still controversy over the choice of treatment for end-stage spinal metastases. With the continuous development of microwave technology in spinal tumors, related studies have reported that microwave combined with techniques such as pedicle screw fixation and percutaneous vertebroplasty can achieve the purpose of tumor ablation, relieving spinal cord compression, enhancing spinal stability, effectively relieving pain, and reducing recurrence rates. This study aimed to analyze the effectiveness of microwave ablation combined with decompression and pedicle screw fixation in the palliative management of spinal metastases with pathological fractures. METHODS This retrospective study enrolled 82 patients with spinal metastases and pathological fractures treated between January 2016 and July 2020, with 44 patients undergoing pedicle screw fixation along with laminectomy (fixation group) and the remaining 38 receiving microwave ablation in addition to the treatment provided to group fixation (MWA group). Before surgery, all patients underwent pain assessment using the visual analogue scale (VAS) and evaluation of spinal cord injury using the Frankel classification. After surgery, the patients' prognoses were assessed using the Tomita score, modified Tokuhashi score system, and progression-free survival. Additionally, we compared operative time and blood loss between the two groups. Survival analysis utilized the Kaplan-Meier method with a log-rank test for group comparisons. Paired t-tests and the Mann-Whitney U test were applied to metric and non-normally distributed data, respectively. Neurological function improvement across groups was evaluated using the χ2 test. RESULTS All patients were followed up for a median duration of 18 and 20 months in the fixation and MWA groups, respectively, with follow-up periods ranging from 6 to 36 months. Statistically significant reductions in postoperative VAS scores were observed in all patients compared with their preoperative scores. The MWA group exhibited reduced blood loss (t = 2.74, p = 0.01), lower VAS scores at the 1- and 3-month follow-ups (t = 2.34, P = 0.02; t = 2.83, p = 0.006), and longer progression-free survival than the fixation group (p = 0.03). Although the operation times in the MWA group were longer than those in the fixation group, this difference was not statistically significant (t = 6.06, p = 0.12). No statistically significant differences were found regarding improvements in spinal cord function between the two groups (p = 0.77). CONCLUSION Compared with decompression and pedicle screw fixation for treating spinal metastases with pathological fractures, microwave ablation combined with decompression and pedicle screw fixation showed better outcomes in terms of pain control, longer progression-free survival, and lower blood loss without increasing operative time, which has favorable implications for clinical practice.
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Affiliation(s)
- Yangming Zhang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China
| | - Xiang Fang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China
| | - Lin Luo
- Department of Orthopedics, People's Fourth Hospital of Sichuan Province, Chengdu, China
| | - Yan Xiong
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China
| | - Wenli Zhang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China
| | - Yawei Gou
- Department of Orthopedics, People's Fourth Hospital of Sichuan Province, Chengdu, China
| | - Chunfu Gong
- Department of Orthopedics, People's Fourth Hospital of Sichuan Province, Chengdu, China
| | - Zhou Xiang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China
| | - Fuguo Kuang
- Department of Orthopedics, People's Fourth Hospital of Sichuan Province, Chengdu, China
| | - Hong Duan
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China
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Wu Y, Xu LJ. Incidence of Cement Leakage and Potential Risk Factors in Surgery for Spinal Metastasis: A Systematic Review and Meta-Analysis. World Neurosurg 2024; 184:e95-e110. [PMID: 38246530 DOI: 10.1016/j.wneu.2024.01.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 01/11/2024] [Indexed: 01/23/2024]
Abstract
OBJECTIVES The current meta-analysis was performed to gather available evidence regarding the incidence and risk factors of cement leakage (CL) in patients undergoing surgical procedures for spinal metastasis. METHODS Two authors independently searched the PubMed, Embase, and CENTRAL databases. Clinical studies reporting the incidence or risk factors of CL were included for analysis. The primary outcome analyzed was the incidence of various types of CL. Random-effects or fixed-effects single-proportion meta-analyses were conducted to pool the available evidence, based on the heterogeneity test. Subgroup analyses were conducted based on surgical procedures (percutaneous vertebroplasty, percutaneous kyphoplasty, and others). Risk factors of CL were synthesized narratively to identify the most commonly accepted factors. RESULTS A total of 26 studies, involving 2551 patients, were included. The number of operated spine segments was reported in 23 studies, accounting for 4101 vertebrae. The pooled incidences of general, intradiscal, paravertebral, spinal canal, and intravascular CLs were 0.18 (95% confidence interval [CI], 0.11-0.28), 0.14 (95% CI, 0.08-0.21), 0.13 (95% CI, 0.06-0.21), 0.11 (95% CI, 0.05-0.19), and 0.12 (95% CI, 0.08-0.17), respectively. Subgroup analyses revealed significantly different incidences of general CL (0.37 vs. 0.06 vs. 0.09, P < 0.01), intradiscal CL (0.22 vs. 0.06 vs. 0.12, P < 0.01), paravertebral CL (0.25 vs. 0.03 vs. 0.06, P < 0.01), and vascular CL (0.14 vs. 0.03 vs. 0.15, P < 0.01) among the three groups. Posterior wall disruption, pathologic fracture, and the number of treated vertebral levels were the most commonly identified independent risk factors for general CL. Posterior wall disruption was determined as a common significant risk factor for spinal canal CL. CONCLUSIONS This review provides insights into the incidence and risk factors associated with CL in surgical procedures for spinal metastasis. Understanding these risk factors can contribute to the development of tailored strategies aimed at minimizing CL occurrence and optimizing surgical outcomes for patients undergoing spinal metastatic surgery.
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Affiliation(s)
- Yong Wu
- Department of Neurosurgery, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Hubei, China
| | - Li-Jun Xu
- Department of Orthopedics, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Hubei, China.
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Banat M, Potthoff AL, Hamed M, Borger V, Scorzin JE, Lampmann T, Asoglu H, Khalafov L, Schmeel FC, Paech D, Radbruch A, Nitsch L, Weller J, Herrlinger U, Toma M, Gielen GH, Vatter H, Schneider M. Synchronous versus metachronous spinal metastasis: a comparative study of survival outcomes following neurosurgical treatment. J Cancer Res Clin Oncol 2024; 150:136. [PMID: 38502313 PMCID: PMC10951012 DOI: 10.1007/s00432-024-05657-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 02/19/2024] [Indexed: 03/21/2024]
Abstract
PURPOSE Patients with spinal metastases (SM) from solid neoplasms typically exhibit progression to an advanced cancer stage. Such metastases can either develop concurrently with an existing cancer diagnosis (termed metachronous SM) or emerge as the initial indication of an undiagnosed malignancy (referred to as synchronous SM). The present study investigates the prognostic implications of synchronous compared to metachronous SM following surgical resection. METHODS From 2015 to 2020, a total of 211 individuals underwent surgical intervention for SM at our neuro-oncology facility. We conducted a survival analysis starting from the date of the neurosurgical procedure, comparing those diagnosed with synchronous SM against those with metachronous SM. RESULTS The predominant primary tumor types included lung cancer (23%), prostate cancer (21%), and breast cancer (11.3%). Of the participants, 97 (46%) had synchronous SM, while 114 (54%) had metachronous SM. The median overall survival post-surgery for those with synchronous SM was 13.5 months (95% confidence interval (CI) 6.1-15.8) compared to 13 months (95% CI 7.7-14.2) for those with metachronous SM (p = 0.74). CONCLUSIONS Our findings suggest that the timing of SM diagnosis (synchronous versus metachronous) does not significantly affect survival outcomes following neurosurgical treatment for SM. These results support the consideration of neurosurgical procedures regardless of the temporal pattern of SM manifestation.
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Affiliation(s)
- Mohammed Banat
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany.
| | - Anna-Laura Potthoff
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | - Motaz Hamed
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | - Valeri Borger
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | - Jasmin E Scorzin
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | - Tim Lampmann
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | - Harun Asoglu
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | - Logman Khalafov
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | | | - Daniel Paech
- Department of Neuroradiology, University Hospital Bonn, Bonn, Germany
| | | | - Louisa Nitsch
- Department of Neurology, University Hospital Bonn, 53127, Bonn, Germany
| | - Johannes Weller
- Department of Neurology, University Hospital Bonn, 53127, Bonn, Germany
| | - Ulrich Herrlinger
- Division of Clinical Neuro-Oncology, Department of Neurology, University Hospital Bonn, Bonn, Germany
| | - Marieta Toma
- Institute of Pathology, University Hospital Bonn, Bonn, Germany
| | - Gerrit H Gielen
- Institute for Neuropathology, University Hospital Bonn, Bonn, Germany
| | - Hartmut Vatter
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
| | - Matthias Schneider
- Department of Neurosurgery, University Hospital Bonn, Venusberg-Campus 1, Building 81, 53127, Bonn, Germany
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Yu W, Chen D, Ding X, Qiao L, Zhang L, Gao X, Yan Y, Mo W, Ma J, Yin M. A critical appraisal of clinical practice guidelines on surgical treatments for spinal metastasis. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2024:10.1007/s00586-023-08127-z. [PMID: 38407614 DOI: 10.1007/s00586-023-08127-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 12/26/2023] [Accepted: 12/29/2023] [Indexed: 02/27/2024]
Abstract
PURPOSE As an important treatment for spinal metastasis, surgery has strict applicable conditions. Although various organizations have formulated different guidelines on surgical treatment for spinal metastasis (SM), there are certain differences in the content, standardization and quality of the guidelines and it is necessary to make a critical appraisal of them. We aim to systematically review and appraise the current guidelines on surgical treatments of SM and summarize the related recommendations with the quality evaluation of supporting evidence, as to provide a reference for the standardization of surgical treatment plans, and help clinical front-line medical workers can make safe and effective clinical decisions faster. METHODS We searched Pubmed, Web of Science, and Embase for three major databases and online guideline databases. According to certain inclusion and exclusion criteria, the latest guidelines on the surgical treatment of SM were sorted out. AGREE II was used to evaluated the guideline's quality, and we extracted and compared the recommended treatment content of each guideline with evaluating by the evidence-grading scale. RESULTS Eight guidelines from 2013 to 2019 were included. Seven guidelines are comprehensive guidelines and one related to the reconstructive surgery of SM. Five guidelines were evaluated as "recommended," and three guidelines were evaluated as "recommended with modifications." Regarding the indications of surgery with SM, four guidelines, seven guidelines, seven guidelines, three guidelines and three guidelines recommended surgical treatment for patients with SM with intractable pain, mechanical instability, metastatic epidural spinal cord compression (MESCC), recurrent spinal metastasis (RSM), and survival predication, respectively. Regarding the surgical strategies, three guidelines recommended minimally invasive therapy but had strict indications. Six guidelines and five guidelines recommend palliative surgery and with receiving radiation therapy, respectively. For the aggressive surgery, only one guideline recommended to apply to patients in good general conditions who has isolated symptomatic SM. Regarding the surgical reconstructions, one guideline didn't recommend iliac bone graft and three guidelines recommended PMMA bone cement. CONCLUSION Most of the guidelines do not provide clear criteria for surgical application and provide more of a basic framework. The level of evidence for these surgical recommendations ranges from LOE B to D, and almost all guidelines recommend vertebroplasty and kyphoplasty, but for palliative and more aggressive surgery, which recommended to personalize specific surgical strategies with multidisciplinary collaboration.
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Affiliation(s)
- Wenlong Yu
- Department of Orthopedic, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Dingbang Chen
- Department of Orthopedic Oncology, Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China
| | - Xing Ding
- Department of Orthopedic, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Liang Qiao
- Department of Orthopedic, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Luosheng Zhang
- Department of Orthopedic Oncology, Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China
| | - Xin Gao
- Department of Orthopedic Oncology, Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China
| | - Yinjie Yan
- Department of Orthopedic, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Wen Mo
- Department of Orthopedic, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
| | - Junming Ma
- Department of Orthopedic, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
| | - Mengchen Yin
- Department of Orthopedic, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
- Department of Orthopedic Oncology, Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China.
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Qiao L, Ding X, He S, Zhang F, Yu W, Zhang L, Chen D, Gao X, Chu P, Yan Y, Huang Q, Yang X, Yin M. Measurement properties of health-related quality of life measures for people living with metastatic disease of the spine: a systematic review. Int J Surg 2024; 110:419-430. [PMID: 37851519 PMCID: PMC10793786 DOI: 10.1097/js9.0000000000000837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/28/2023] [Indexed: 10/20/2023]
Abstract
PURPOSE Patients with spinal metastases (SM) suffer from a significant quality of life (QoL) deterioration. The measurement of QoL has garnered significant attention. In this study, the authors aimed to investigate the frequency of QoL measurement, systematically appraise the measurement properties of identified instruments, and facilitate the effective selection of an appropriate QoL instrument for patients with SM. METHODS This systematic review adhered to the newly revised Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) statement guidelines. The methodological quality of the studies was assessed using the Consensus-based Standards for the selection of health Measurement Instruments (COSMIN) checklist. Measurement property results were assessed using the adapted criteria. Each measurement property was allocated a separate rating (excellent, good, fair, or poor). 'Best evidence synthesis' was performed using COSMIN outcomes and the quality of findings. RESULT Two hundred and nine publications were included, and 18 instruments were identified. ECOG, EuroQol-5D, SF-36, SOSGOQ, and EORTC-QLQ-C30 were the top five instruments used for patients with SM in published literature. The measurement properties evaluated included internal consistency (four instruments), reliability (three instruments), validity (five instruments), validity (nine measures), floor and ceiling effects (four instruments), responsiveness (four instruments), and interpretability (three measures). Based on the limited evidence, the Brief Pain Inventory (BPI) had the best methodological quality. CONCLUSIONS Owing to the limitations of BPI in assessment domains, we cannot fully support the use of BPI. For the lack of high-quality research, it is challenging to nominate a single appropriate measure. Additional studies are needed to explore the evidence before a confirmatory decision is made.
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Affiliation(s)
- Liang Qiao
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine
| | - Xing Ding
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine
| | - Shaohui He
- Changzheng Hospital, Second Affiliated Hospital of Naval Medical University
| | - Fan Zhang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine
| | - Wenlong Yu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine
| | - Luosheng Zhang
- Changzheng Hospital, Second Affiliated Hospital of Naval Medical University
| | - Dingbang Chen
- Changzheng Hospital, Second Affiliated Hospital of Naval Medical University
| | - Xin Gao
- Changzheng Hospital, Second Affiliated Hospital of Naval Medical University
| | - Peilin Chu
- Department of Orthopaedics, Maanshan General Hospital of Ranger-Duree Healthcare, People’s Republic of China
| | - Yinjie Yan
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine
| | - Quan Huang
- Changzheng Hospital, Second Affiliated Hospital of Naval Medical University
| | - Xinghai Yang
- Changzheng Hospital, Second Affiliated Hospital of Naval Medical University
| | - Mengchen Yin
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine
- Changzheng Hospital, Second Affiliated Hospital of Naval Medical University
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Hu ZC, Wang B, Zhou XG, Liang HF, Liang B, Lu HW, Ge YX, Chen Q, Tian QW, Xue FF, Jiang LB, Dong J. Golgi Apparatus-Targeted Photodynamic Therapy for Enhancing Tumor Immunogenicity by Eliciting NLRP3 Protein-Dependent Pyroptosis. ACS NANO 2023; 17:21153-21169. [PMID: 37921421 DOI: 10.1021/acsnano.3c05005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Innate and adaptive immunity is important for initiating and maintaining immune function. The nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome serves as a checkpoint in innate and adaptive immunity, promoting the secretion of pro-inflammatory cytokines and gasdermin D-mediated pyroptosis. As a highly inflammatory form of cell death distinct from apoptosis, pyroptosis can trigger immunogenic cell death and promote systemic immune responses in solid tumors. Previous studies proposed that NLRP3 was activated by translocation to the mitochondria. However, a recent authoritative study has challenged this model and proved that the Golgi apparatus might be a prerequisite for the activation of NLRP3. In this study, we first developed a Golgi apparatus-targeted photodynamic strategy to induce the activation of NLRP3 by precisely locating organelles. We found that Golgi apparatus-targeted photodynamic therapy could significantly upregulate NLRP3 expression to promote the subsequent release of intracellular proinflammatory contents such as IL-1β or IL-18, creating an inflammatory storm to enhance innate immunity. Moreover, this acute NLRP3 upregulation also activated its downstream classical caspase-1-dependent pyroptosis to enhance tumor immunogenicity, triggering adaptive immunity. Pyroptosis eventually led to immunogenic cell death, promoted the maturation of dendritic cells, and effectively activated antitumor immunity and long-lived immune memory. Overall, this Golgi apparatus-targeted strategy provided molecular insights into the occurrence of immunogenic pyroptosis and offered a platform to remodel the tumor microenvironment.
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Affiliation(s)
- Zhi-Chao Hu
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Ben Wang
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xiao-Gang Zhou
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Hai-Feng Liang
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Bing Liang
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Hong-Wei Lu
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yu-Xiang Ge
- Department of Orthopedic Surgery, Minhang Hospital, Fudan University, Shanghai 201100, China
| | - Qing Chen
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Qi-Wei Tian
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
| | - Feng-Feng Xue
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
| | - Li-Bo Jiang
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Jian Dong
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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Yamada K, Yoshii T, Toba M, Kudo A, Egawa S, Matsukura Y, Hirai T, Inose H, Fushimi K, Okawa A. Risk Factors for Postoperative Unfavorable Ambulatory Status After Spinal Surgery for Metastatic Spinal Tumor. Spine (Phila Pa 1976) 2023; 48:1419-1426. [PMID: 37199435 DOI: 10.1097/brs.0000000000004718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 04/30/2023] [Indexed: 05/19/2023]
Abstract
STUDY DESIGN A retrospective comparative study. OBJECTIVE This study aimed to investigate factors associated with postoperative unfavorable ambulatory status following surgery for metastatic spinal tumors using a nationwide in-hospital database. SUMMARY OF BACKGROUND DATA Surgical treatment for metastatic spinal tumors can improve the ambulatory status and quality of life. However, some patients fail to regain the ability to walk, thereby resulting in poor quality of life. No large-scale study has previously evaluated factors associated with postoperative poor ambulatory status in this clinical context. MATERIALS AND METHODS The Diagnosis Procedure Combination database from 2018 to 2019 was used to extract data from patients who underwent surgical procedures for spinal metastasis. Postoperative unfavorable ambulatory status was defined as (1) nonambulatory at discharge or (2) a decreased mobility score of the Barthel Index between admission and discharge. Multivariable logistic regression was used to evaluate factors associated with postoperative unfavorable ambulatory status while adjusting for confounders. RESULTS This study analyzed 1786 eligible patients. Of whom, 1061 (59%) patients were ambulatory on admission and 1249 (70%) on discharge. Postoperative unfavorable ambulatory status was observed in 597 (33%) patients, with a significantly lower rate of discharge to home (41%/81%, P <0.001) and a longer postoperative hospital stay (46.2 days/31.4 days, P <0.001). Multivariable regression analysis revealed male sex [odds ratio (OR): 1.43, P =0.002], laminectomy without fusion (OR: 1.55, P =0.034), Charlson Comorbidity Index of ≥7 (OR: 1.37, P =0.014), and preoperative nonambulatory status (OR: 6.61, P <0.001) as factors associated with postoperative unfavorable ambulatory status. CONCLUSIONS Our large-scale database analysis revealed that 33% of patients experienced unfavorable ambulatory status following spinal metastasis surgery. Laminectomy without fusion and preoperative nonambulatory status were among several factors influencing the prospect of unfavorable ambulatory status following surgery.
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Affiliation(s)
- Kentaro Yamada
- Department of Orthopaedic and Trauma Research, Tokyo Medical and Dental University, Tokyo, Japan
| | - Toshitaka Yoshii
- Department of Orthopaedics, Tokyo Medical and Dental University, Tokyo, Japan
| | - Mikayo Toba
- Department of Quality Management Center, Tokyo Medical and Dental University Hospital, Tokyo, Japan
| | - Atsushi Kudo
- Department of Hepato-Biliary-Pancreatic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Satoru Egawa
- Department of Orthopaedics, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yu Matsukura
- Department of Orthopaedics, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takashi Hirai
- Department of Orthopaedics, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroyuki Inose
- Department of Orthopaedic and Trauma Research, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kiyohide Fushimi
- Department of Health Policy and Informatics Section, Tokyo Medical and Dental University, Tokyo, Japan
| | - Atsushi Okawa
- Department of Orthopaedics, Tokyo Medical and Dental University, Tokyo, Japan
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Linzey JR, Kathawate VG, Strong MJ, Roche K, Goethe PE, Tudrick LR, Lee J, Tripathy A, Koduri S, Ward AL, Ogunsola O, Zaki MM, Joshi RS, Weyburne G, Mayo CS, Evans JR, Jackson WC, Szerlip NJ. Patients with progression of spinal metastases who present to the clinic have better outcomes compared to those who present to the emergency department. Cancer Med 2023; 12:20177-20187. [PMID: 37776158 PMCID: PMC10587959 DOI: 10.1002/cam4.6601] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/15/2023] [Accepted: 09/16/2023] [Indexed: 10/01/2023] Open
Abstract
BACKGROUND As cancer therapies have improved, spinal metastases are increasingly common. Resulting complications have a significant impact on patient's quality of life. Optimal methods of surveillance and avoidance of neurologic deficits are understudied. This study compares the clinical course of patients who initially presented to the emergency department (ED) versus a multidisciplinary spine oncology clinic and who underwent stereotactic body radiation therapy (SBRT) secondary to progression/presentation of metastatic spine disease. METHODS We performed a retrospective analysis of a prospectively maintained database of adult oncologic patients who underwent spinal SBRT at a single hospital from 2010 to 2021. Descriptive statistics and survival analyses were performed. RESULTS We identified 498 spinal radiographic treatment sites in 390 patients. Of these patients, 118 (30.3%) presented to the ED. Patients presenting to the ED compared to the clinic had significantly more severe spinal compression (52.5% vs. 11.7%; p < 0.0001), severe pain (28.8% vs. 10.3%; p < 0.0001), weakness (24.5% vs. 4.5%; p < 0.0001), and difficulty walking (24.5% vs. 4.5%; p < 0.0001). Patients who presented to the ED compared to the clinic were significantly more likely to have surgical intervention followed by SBRT (55.4% vs. 15.3%; p < 0.0001) compared to SBRT alone. Patients who presented to the ED compared to the clinic had a significantly quicker interval to distant spine progression (5.1 ± 6.5 vs. 9.1 ± 10.2 months; p = 0.004), systemic progression (5.1 ± 7.2 vs. 9.2 ± 10.7 months; p < 0.0001), and worse overall survival (9.3 ± 10.0 vs. 14.3 ± 13.7 months; p = 0.002). CONCLUSION The establishment of multidisciplinary spine oncology clinics is an opportunity to potentially allow for earlier, more data-driven treatment of their spinal metastatic disease.
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Affiliation(s)
- Joseph R. Linzey
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | | | - Michael J. Strong
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | - Kayla Roche
- School of MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Peyton E. Goethe
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | - Lila R. Tudrick
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | - Johan Lee
- School of MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Arushi Tripathy
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | - Sravanthi Koduri
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | - Ayobami L. Ward
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | - Oludotun Ogunsola
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | - Mark M. Zaki
- Department of NeurosurgeryUniversity of MichiganAnn ArborMichiganUSA
| | | | - Grant Weyburne
- Department of Radiation OncologyUniversity of MichiganAnn ArborMichiganUSA
| | - Charles S. Mayo
- Department of Radiation OncologyUniversity of MichiganAnn ArborMichiganUSA
| | - Joseph R. Evans
- Department of Radiation OncologyUniversity of MichiganAnn ArborMichiganUSA
| | - William C. Jackson
- Department of Radiation OncologyUniversity of MichiganAnn ArborMichiganUSA
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Zhang C, Wang J, Wu H, Lin Y, Chekhonin VP, Peltzer K, Bukharov AV, Kaprin AD, Guo X, Liu Z. Ten-year retrospect of the investigation of proximal limbs metastasis in cancer: a multi-center study on survival outcome, limb function status and surgical procedures analysis. BMC Cancer 2023; 23:795. [PMID: 37620771 PMCID: PMC10463808 DOI: 10.1186/s12885-023-11292-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 08/12/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND The aim of study was to evaluate survival outcome and limb function in cancer patients with proximal limbs metastasis. Associated factors on survival outcome and limb function were identified. The comparative analysis between intramedullary nailing and prosthesis surgery in cancer patients with proximal limb metastasis was performed. METHODS In this five-center retrospective study, patients diagnosed with limbs metastasis were collected. Descriptive statistics was used and log-rank test was performed to analyze the survival in subgroups. The Cox proportional hazards regression analysis was performed to identify the independent prognostic factors. The Musculoskeletal Tumor Society (MSTS) scoring system was used to evaluate limb function after surgery, and t test or analysis of variance (ANOVA) was utilized in subgroup analysis. RESULTS A total of 316 patients with limb metastasis were included with mean age at 61.0 years. The most common primary tumor was breast, followed by renal cancer and lung cancer. The median overall survival was 24.0 months and the 1-, 3- and 5-year survival rates were 86.9%, 34.7% and 6.8%, respectively. Primary tumor type, visceral metastasis and chemotherapy were proved to be the independent prognostic factors. The mean Musculoskeletal Tumor Society (MSTS) score was 20.5, significant difference was observed in subgroup of solitary/multiple bone metastasis, with/without pathological fracture, and type of surgery. CONCLUSION The present study concluded that primary tumor type, visceral metastasis and chemotherapy were three factors affecting the survival of patients. Compared with intramedullary nailing, the patients underwent prosthesis surgery showed better limb function, this procedure should be encouraged in patients with indication.
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Affiliation(s)
- Chao Zhang
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China.
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China.
- Department of Bone and Soft Tissue Tumors, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.
| | - Jun Wang
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China
- Department of Oncology, Radiology and Nuclear Medicine, Medical Institute of Peoples' Friendship University of Russia, Moscow, Russian Federation
| | - Haixiao Wu
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, China
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China
| | - Yile Lin
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China
| | - Vladimir P Chekhonin
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China
- Department of Basic and Applied Neurobiology, Federal Medical Research Center for Psychiatry and Narcology, Moscow, Russian Federation
| | - Karl Peltzer
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China
- Department of Psychology, University of the Free State, Turfloop, South Africa
| | - Artem V Bukharov
- P.A. Hertsen Moscow Oncology Research Center - Branch of Federal State Budgetary Institution National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrey D Kaprin
- Department of Oncology, Radiology and Nuclear Medicine, Medical Institute of Peoples' Friendship University of Russia, Moscow, Russian Federation
- P.A. Hertsen Moscow Oncology Research Center - Branch of Federal State Budgetary Institution National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Xu Guo
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China
- Department of Orthopedics, Cangzhou Central Hospital, Hebei province, Cangzhou, China
| | - Zheng Liu
- The Sino-Russian Joint Research Center for Bone Metastasis in Malignant Tumor, Tianjin, China.
- Department of Orthopedics, Heilongjiang Province Hospital, Heilongjiang province, Harbin, China.
- Department of Orthopedics, The Seventh Affiliated Hospital, Sun Yat-sen University, Guangdong province, Shenzhen, China.
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10
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Compagnone D, Cecchinato R, Pezzi A, Langella F, Damilano M, Redaelli A, Vanni D, Lamartina C, Berjano P, Boriani S. Diagnostic Approach and Differences between Spinal Infections and Tumors. Diagnostics (Basel) 2023; 13:2737. [PMID: 37685273 PMCID: PMC10487270 DOI: 10.3390/diagnostics13172737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/08/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023] Open
Abstract
STUDY DESIGN A systematic review of the literature about differential diagnosis between spine infection and bone tumors of the spine. BACKGROUND AND PURPOSE The differential diagnosis between spine infection and bone tumors of the spine can be misled by the prevalence of one of the conditions over the other in different areas of the world. A review of the existing literature on suggestive or even pathognomonic imaging aspects of both can be very useful for correctly orientating the diagnosis and deciding the most appropriate area for biopsy. The purpose of our study is to identify which imaging technique is the most reliable to suggest the diagnosis between spine infection and spine bone tumor. METHODS A primary search on Medline through PubMed distribution was made. We identified five main groups: tuberculous, atypical spinal tuberculosis, pyogenic spondylitis, and neoplastic (primitive and metastatic). For each group, we evaluated the commonest localization, characteristics at CT, CT perfusion, MRI, MRI with Gadolinium, MRI diffusion (DWI) and, in the end, the main features for each group. RESULTS A total of 602 studies were identified through the database search and a screening by titles and abstracts was performed. After applying inclusion and exclusion criteria, 34 articles were excluded and a total of 22 full-text articles were assessed for eligibility. For each article, the role of CT-scan, CT-perfusion, MRI, MRI with Gadolinium and MRI diffusion (DWI) in distinguishing the most reliable features to suggest the diagnosis of spine infection versus bone tumor/metastasis was collected. CONCLUSION Definitive differential diagnosis between infection and tumor requires biopsy and culture. The sensitivity and specificity of percutaneous biopsy are 72% and 94%, respectively. Imaging studies can be added to address the diagnosis, but a multidisciplinary discussion with radiologists and nuclear medicine specialists is mandatory.
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Affiliation(s)
| | | | - Andrea Pezzi
- IRCCS Ospedale Galeazzi—Sant’Ambrogio, 20157 Milan, Italy
- Residency Program in Orthopaedics and Traumatology, University of Milan, 20141 Milan, Italy
| | | | - Marco Damilano
- IRCCS Ospedale Galeazzi—Sant’Ambrogio, 20157 Milan, Italy
| | | | - Daniele Vanni
- IRCCS Ospedale Galeazzi—Sant’Ambrogio, 20157 Milan, Italy
| | | | - Pedro Berjano
- IRCCS Ospedale Galeazzi—Sant’Ambrogio, 20157 Milan, Italy
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11
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Zhao Y, Liu F, Wang W. Treatment progress of spinal metastatic cancer: a powerful tool for improving the quality of life of the patients. J Orthop Surg Res 2023; 18:563. [PMID: 37537684 PMCID: PMC10399009 DOI: 10.1186/s13018-023-03975-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 07/03/2023] [Indexed: 08/05/2023] Open
Abstract
Spinal metastasis is a common secondary malignant tumor of the bone, often resulting in spinal cord and nerve root compression, leading to obvious pain and related compression symptoms. This condition has a high incidence and mortality rate. The treatment approach for most patients with spinal metastasis is primarily palliative. Consultation with a multidisciplinary team is widely accepted as a comprehensive treatment approach for patients with spinal metastases. With advancements in research and technology, the evaluation and treatment of spinal metastatic cancer are continuously evolving. This study provides an overview of surgical treatment, minimally invasive treatment, and radiotherapy for spinal metastatic cancer and also analyzes the clinical effects, advantages, and current limitations associated with various treatment approaches.
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Affiliation(s)
- Yuliang Zhao
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital and Institute, No. 44 Xiaoheyan Road, Dadong District, Liaoning, 110000, Shenyang, China
| | - Fei Liu
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital and Institute, No. 44 Xiaoheyan Road, Dadong District, Liaoning, 110000, Shenyang, China
| | - Wei Wang
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital and Institute, No. 44 Xiaoheyan Road, Dadong District, Liaoning, 110000, Shenyang, China.
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12
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Nevzati E, Poletti N, Spiessberger A, Bäbler S, Studer G, Riklin C, Diebold J, Chatain GP, Finn M, Witt JP, Moser M, Mariani L. Establishing the Swiss Spinal Tumor Registry (Swiss-STR): a prospective observation of surgical treatment patterns and long-term outcomes in patients with primary and metastatic spinal tumors. Front Surg 2023; 10:1222595. [PMID: 37576924 PMCID: PMC10416635 DOI: 10.3389/fsurg.2023.1222595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023] Open
Abstract
Background Tumors of the vertebral column consist of primary spinal tumors and malignancies metastasizing to the spine. Although primary spine tumors are rare, metastases to the spine have gradually increased over past decades because of aging populations and improved survival for various cancer subtypes achieved by advances in cancer therapy. Metastases to the vertebral column occur in up to 70% of cancer patients, with 10% of patients demonstrating epidural spinal cord compression. Therefore, many cancer patients may face spinal surgical intervention during their chronic illness; such interventions range from simple cement augmentation over decompression of neural elements to extended instrumentation or spinal reconstruction. However, precise surgical treatment guidelines do not exist, likely due to the lack of robust, long-term clinical outcomes data and the overall heterogeneous nature of spinal tumors. Objectives of launching the Swiss Spinal Tumor Registry (Swiss-STR) are to collect and analyze high-quality, prospective, observational data on treatment patterns, clinical outcomes, and health-related quality of life (HRQoL) in adult patients undergoing spinal tumor surgery. This narrative review discusses our rationale and process of establishing this spinal cancer registry. Methods A REDCap-based registry was created for the standardized collection of clinical, radiographic, surgical, histological, radio-oncologial and oncological variables, as well as patient-reported outcome measures (PROMs). Discussion We propose that the Swiss-STR will inform on the effectiveness of current practices in spinal oncology and their impact on patient outcomes. Furthermore, the registry will enable better categorization of the various clinical presentations of spinal tumors, thereby facilitating treatment recommendations, defining the socio-economic burden on the healthcare system, and improving the quality of care. In cases of rare tumors, the multi-center data pooling will fill significant data gaps to yield better understanding of these entities. Finally, our two-step approach first implements a high-quality registry with efficient electronic data capture strategies across hospital sites in Switzerland, and second follows with potential to expand internationally, thus fostering future international scientific collaboration to further push the envelope in cancer research.
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Affiliation(s)
- Edin Nevzati
- Department of Neurosurgery, Cantonal Hospital of Lucerne, Lucerne, Switzerland
- Department of Spine Surgery, Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Nicolas Poletti
- Department of Neurosurgery, University Hospital of Basel, Basel, Switzerland
| | | | - Sabrina Bäbler
- Department of Neurosurgery, Cantonal Hospital of Lucerne, Lucerne, Switzerland
- Department of Spine Surgery, Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Gabriela Studer
- Department of Radiation-Oncology, Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Christian Riklin
- Department of Oncology, Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Joachim Diebold
- Department of Pathology, Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Grégoire P. Chatain
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Auror, CO, United States
| | - Michael Finn
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Auror, CO, United States
| | - Jens-Peter Witt
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Auror, CO, United States
| | - Manuel Moser
- Department of Neurosurgery, Cantonal Hospital of Lucerne, Lucerne, Switzerland
- Department of Spine Surgery, Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Luigi Mariani
- Department of Neurosurgery, University Hospital of Basel, Basel, Switzerland
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13
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Hu H, Xu L, Guo X, Teng H, Liu W. CT-guided percutaneous microwave ablation combined with bone cement injection for the treatment of transverse metastases: A case report. Open Med (Wars) 2023; 18:20230753. [PMID: 37533735 PMCID: PMC10390749 DOI: 10.1515/med-2023-0753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 06/25/2023] [Accepted: 06/26/2023] [Indexed: 08/04/2023] Open
Abstract
Metastatic diseases of the spine are becoming increasingly common with an aging population and improvements in systemic cancer therapies. Microwave and vertebroplasty are the mainstay modalities for treating painful spine metastases. Most early spinal metastases predominantly attack the adnexa, but there are few reports on its treatment. This report presents a case of a 56-year-old female who had experienced severe thoracic back pain for several days and was diagnosed with a metastatic tumor of the right transverse process of T7. Percutaneous microwave ablation in combination with bone cement injection was used to treat the metastatic tumor under CT guidance. The postoperative pain on the Visual Analogue Scale was 1/10, without nerve or vessel damage and bone cement leakage during the operation.
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Affiliation(s)
- Hongtao Hu
- Department of Orthopedic Surgery, The Affiliated Hospital of Weifang Medical College, Weifang261000, Shandong, China
| | - Lei Xu
- Department of Orthopedic Surgery, The Affiliated Hospital of Weifang Medical College, Weifang261000, Shandong, China
| | - Xiang Guo
- Department of Orthopedic Surgery, The Affiliated Hospital of Weifang Medical College, Weifang261000, Shandong, China
| | - Haijun Teng
- Department of Orthopedic Surgery, The Affiliated Hospital of Weifang Medical College, Weifang261000, Shandong, China
| | - Wenhua Liu
- Department of Orthopedic Surgery, The Affiliated Hospital of Weifang Medical College, Weifang261000, Shandong, China
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14
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Fan J, Zhang X, Li P, Wu L, Yuan Q, Bai Y, Yang S, Qiu Y, Zhang K. Microwave ablation combined with vertebral augmentation under real-time temperature monitoring for the treatment of painful spinal osteogenic metastases. BMC Neurol 2023; 23:219. [PMID: 37291501 DOI: 10.1186/s12883-023-03263-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/26/2023] [Indexed: 06/10/2023] Open
Abstract
OBJECTIVE To evaluate the safety and efficacy of computed tomography (CT)-guided microwave ablation combined with vertebral augmentation under real-time temperature monitoring in the treatment of painful osteogenic spinal metastases. METHODS This retrospective study included 38 patients with 63 osteogenic metastatic spinal lesions treated using CT-guided microwave ablation and vertebral augmentation under real-time temperature monitoring. Visual analog scale scores, daily morphine consumption, and Oswestry Disability Index scores were used to evaluate efficacy of the treatment. RESULTS Microwave ablation combined with vertebral augmentation reduced the mean visual analog scale scores from 6.40 ± 1.90 preoperatively to 3.32 ± 0.96 at 24 h, 2.24 ± 0.91 at 1 week, 1.92 ± 1.32 at 4 weeks, 1.79 ± 1.45 at 12 weeks, and 1.39 ± 1.12 at 24 weeks postoperatively (all p < 0.001). The mean preoperative daily morphine consumption was 108.95 ± 56.41 mg, which decreased to 50.13 ± 25.46 mg at 24 h, 31.18 ± 18.58 mg at 1 week, 22.50 ± 16.63 mg at 4 weeks, 21.71 ± 17.68 mg at 12 weeks, and 17.27 ± 16.82 mg at 24 weeks postoperatively (all p < 0.001). During the follow-up period, the Oswestry Disability Index scores significantly reduced (p < 0.001). Bone cement leakage occurred in 25 vertebral bodies, with an incidence of 39.7% (25/63). CONCLUSIONS The results indicate that microwave ablation combined with vertebral augmentation under real-time temperature monitoring is a feasible, effective, and safe treatment for painful osteoblast spinal metastases.
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Affiliation(s)
- Jing Fan
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Xusheng Zhang
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Peishun Li
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Linlin Wu
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Qianqian Yuan
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Yunling Bai
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Sen Yang
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Yuanyuan Qiu
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China
| | - Kaixian Zhang
- Department of Oncology, Tengzhou Central People's Hospital, Affiliated to Jining Medical College, Tengzhou, China.
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15
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Liu K, Qin S, Ning J, Xin P, Wang Q, Chen Y, Zhao W, Zhang E, Lang N. Prediction of Primary Tumor Sites in Spinal Metastases Using a ResNet-50 Convolutional Neural Network Based on MRI. Cancers (Basel) 2023; 15:cancers15112974. [PMID: 37296938 DOI: 10.3390/cancers15112974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
We aim to investigate the feasibility and evaluate the performance of a ResNet-50 convolutional neural network (CNN) based on magnetic resonance imaging (MRI) in predicting primary tumor sites in spinal metastases. Conventional sequences (T1-weighted, T2-weighted, and fat-suppressed T2-weighted sequences) MRIs of spinal metastases patients confirmed by pathology from August 2006 to August 2019 were retrospectively analyzed. Patients were partitioned into non-overlapping sets of 90% for training and 10% for testing. A deep learning model using ResNet-50 CNN was trained to classify primary tumor sites. Top-1 accuracy, precision, sensitivity, area under the curve for the receiver-operating characteristic (AUC-ROC), and F1 score were considered as the evaluation metrics. A total of 295 spinal metastases patients (mean age ± standard deviation, 59.9 years ± 10.9; 154 men) were evaluated. Included metastases originated from lung cancer (n = 142), kidney cancer (n = 50), mammary cancer (n = 41), thyroid cancer (n = 34), and prostate cancer (n = 28). For 5-class classification, AUC-ROC and top-1 accuracy were 0.77 and 52.97%, respectively. Additionally, AUC-ROC for different sequence subsets ranged between 0.70 (for T2-weighted) and 0.74 (for fat-suppressed T2-weighted). Our developed ResNet-50 CNN model for predicting primary tumor sites in spinal metastases at MRI has the potential to help prioritize the examinations and treatments in case of unknown primary for radiologists and oncologists.
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Affiliation(s)
- Ke Liu
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
| | - Siyuan Qin
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
| | - Jinlai Ning
- Department of Informatics, King's College London, London WC2B 4BG, UK
| | - Peijin Xin
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
| | - Qizheng Wang
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
| | - Yongye Chen
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
| | - Weili Zhao
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
| | - Enlong Zhang
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
| | - Ning Lang
- Department of Radiology, Peking University Third Hospital, Beijing 100191, China
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16
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González AS, Llombart-Blanco R, Angulo MG, Tomé CV, Olmos-García MA. Clinical Outcome and Histological Findings After Induced Leakage of PMMA Loaded With Methotrexate and Cisplatin During Vertebroplasty: Experimental Model in Pigs. Global Spine J 2023; 13:156-163. [PMID: 33601909 PMCID: PMC9837504 DOI: 10.1177/2192568221994800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
STUDY DESIGN Animal experimental model. OBJECTIVE To study the clinical behavior and histological changes in the spinal cord, nerve roots and perivertebral muscles of the spine after induced leakage of polymethylmethacrylate (PMMA) loaded with antiblastic drugs during vertebroplasty in an animal model of pigs. METHODS We performed vertebroplasty on 25 pigs. The animals were divided into 3 groups: vertebroplasty with PMMA alone (control group), vertebroplasty with PMMA loaded with methotrexate (MTX) and vertebroplasty with PMMA loaded with cisplatin (CYS). At 2 vertebral levels, epidural and prevertebral, massive cement leaks were induced. Animals were evaluated daily. Two weeks later, the pigs were sacrificed, and the tissues that came in contact with the cement were analyzed. RESULTS The clinical results for each of the groups were reported. The control group had no clinical alterations. In the MTX group, 2 pigs died before 1 week due to pneumonitis. In the CYS group, 4 animals had motor impairment, and 3 of the 4 had paraplegia. The histological results were as follows: the control and MTX groups showed synovial metaplasia, inflammatory reaction, crystal deposits, and giant cell reaction in the dura mater and muscle and all the animals in the CYS group had spinal cord and muscular necrosis. CONCLUSIONS Massive cement leak after vertebroplasty with PMMA loaded with cisplatin is extremely toxic to the spinal cord and muscles around the spine. Therefore, its use cannot be recommended for the treatment of vertebral metastases. Using PMMA loaded with methotrexate seems to be a safe procedure, but further research is needed.
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Affiliation(s)
- Alvaro Silva González
- Department of Orthopedic Surgery,
University of Navarra, Pamplona, Spain,Department of Orthopedic Surgery, German
Clinic of Santiago, Universidad del Desarrollo, Chile
| | - Rafael Llombart-Blanco
- Department of Orthopedic Surgery,
University of Navarra, Pamplona, Spain,Rafael Llombart Blanco, Department of
Orthopedic Surgery, Clínica Universidad de Navarra, Avd. Pio XII 36, 31008
Pamplona, Navarra 31006, Spain.
| | | | - Carlos Villas Tomé
- Department of Orthopedic Surgery,
University of Navarra, Pamplona, Spain
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Current and Emerging Approaches for Spine Tumor Treatment. Int J Mol Sci 2022; 23:ijms232415680. [PMID: 36555324 PMCID: PMC9779730 DOI: 10.3390/ijms232415680] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/02/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
Spine tumors represent a significant social and medical problem, affecting the quality of life of thousands of patients and imposing a burden on healthcare systems worldwide. Encompassing a wide range of diseases, spine tumors require prompt multidisciplinary treatment strategies, being mainly approached through chemotherapy, radiotherapy, and surgical interventions, either alone or in various combinations. However, these conventional tactics exhibit a series of drawbacks (e.g., multidrug resistance, tumor recurrence, systemic adverse effects, invasiveness, formation of large bone defects) which limit their application and efficacy. Therefore, recent research focused on finding better treatment alternatives by utilizing modern technologies to overcome the challenges associated with conventional treatments. In this context, the present paper aims to describe the types of spine tumors and the most common current treatment alternatives, further detailing the recent developments in anticancer nanoformulations, personalized implants, and enhanced surgical techniques.
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Chanplakorn P, Budsayavilaimas C, Jaipanya P, Kraiwattanapong C, Keorochana G, Leelapattana P, Lertudomphonwanit T. Validation of Traditional Prognosis Scoring Systems and Skeletal Oncology Research Group Nomogram for Predicting Survival of Spinal Metastasis Patients Undergoing Surgery. Clin Orthop Surg 2022; 14:548-556. [PMID: 36518924 PMCID: PMC9715924 DOI: 10.4055/cios22014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/13/2022] [Accepted: 04/16/2022] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Many scoring systems that predict overall patient survival are based on clinical parameters and primary tumor type. To date, no consensus exists regarding which scoring system has the greatest predictive survival accuracy, especially when applied to specific primary tumors. Additionally, such scores usually fail to include modern treatment modalities, which influence patient survival. This study aimed to evaluate both the overall predictive accuracy of such scoring systems and the predictive accuracy based on the primary tumor. METHODS A retrospective review on spinal metastasis patients who were aged more than 18 years and underwent surgical treatment was conducted between October 2008 and August 2018. Patients were scored based on data before the time of surgery. A survival probability was calculated for each patient using the given scoring systems. The predictive ability of each scoring system was assessed using receiver operating characteristic analysis at postoperative time points; area under the curve was then calculated to quantify predictive accuracy. RESULTS A total of 186 patients were included in this analysis: 101 (54.3%) were men and the mean age was 57.1 years. Primary tumors were lung in 37 (20%), breast in 26 (14%), prostate in 20 (10.8%), hematologic malignancy in 18 (9.7%), thyroid in 10 (5.4%), gastrointestinal tumor in 25 (13.4%), and others in 40 (21.5%). The primary tumor was unidentified in 10 patients (5.3%). The overall survival was 201 days. For survival prediction, the Skeletal Oncology Research Group (SORG) nomogram showed the highest performance when compared to other prognosis scores in all tumor metastasis but a lower performance to predict survival with lung cancer. The revised Katagiri score demonstrated acceptable performance to predict death for breast cancer metastasis. The Tomita and revised Tokuhashi scores revealed acceptable performance in lung cancer metastasis. The New England Spinal Metastasis Score showed acceptable performance for predicting death in prostate cancer metastasis. SORG nomogram demonstrated acceptable performance for predicting death in hematologic malignancy metastasis at all time points. CONCLUSIONS The results of this study demonstrated inconsistent predictive performance among the prediction models for the specific primary tumor types. The SORG nomogram revealed the highest predictive performance when compared to previous survival prediction models.
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Affiliation(s)
- Pongsthorn Chanplakorn
- Department of Orthopedic, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Chanthong Budsayavilaimas
- Department of Orthopedic, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- Orthopedic Unit, Banphaeo General Hospital, Samutsakhon, Thailand
| | - Pilan Jaipanya
- Department of Orthopedic, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- Orthopedic Unit, Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Chaiwat Kraiwattanapong
- Department of Orthopedic, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Gun Keorochana
- Department of Orthopedic, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Pittavat Leelapattana
- Department of Orthopedic, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Thamrong Lertudomphonwanit
- Department of Orthopedic, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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Chen K, Cao J, Zhang X, Wang X, Zhao X, Li Q, Chen S, Wang P, Liu T, Du J, Liu S, Zhang L. Differentiation between spinal multiple myeloma and metastases originated from lung using multi-view attention-guided network. Front Oncol 2022; 12:981769. [PMID: 36158659 PMCID: PMC9495278 DOI: 10.3389/fonc.2022.981769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/12/2022] [Indexed: 11/16/2022] Open
Abstract
Purpose Multiple myeloma (MM) and metastasis originated are the two common malignancy diseases in the spine. They usually show similar imaging patterns and are highly demanded to differentiate for precision diagnosis and treatment planning. The objective of this study is therefore to construct a novel deep-learning-based method for effective differentiation of two diseases, with the comparative study of traditional radiomics analysis. Methods We retrospectively enrolled a total of 217 patients with 269 lesions, who were diagnosed with spinal MM (79 cases, 81 lesions) or spinal metastases originated from lung cancer (138 cases, 188 lesions) confirmed by postoperative pathology. Magnetic resonance imaging (MRI) sequences of all patients were collected and reviewed. A novel deep learning model of the Multi-view Attention-Guided Network (MAGN) was constructed based on contrast-enhanced T1WI (CET1) sequences. The constructed model extracts features from three views (sagittal, coronal and axial) and fused them for a more comprehensive differentiation analysis, and the attention guidance strategy is adopted for improving the classification performance, and increasing the interpretability of the method. The diagnostic efficiency among MAGN, radiomics model and the radiologist assessment were compared by the area under the receiver operating characteristic curve (AUC). Results Ablation studies were conducted to demonstrate the validity of multi-view fusion and attention guidance strategies: It has shown that the diagnostic model using multi-view fusion achieved higher diagnostic performance [ACC (0.79), AUC (0.77) and F1-score (0.67)] than those using single-view (sagittal, axial and coronal) images. Besides, MAGN incorporating attention guidance strategy further boosted performance as the ACC, AUC and F1-scores reached 0.81, 0.78 and 0.71, respectively. In addition, the MAGN outperforms the radiomics methods and radiologist assessment. The highest ACC, AUC and F1-score for the latter two methods were 0.71, 0.76 & 0.54, and 0.69, 0.71, & 0.65, respectively. Conclusions The proposed MAGN can achieve satisfactory performance in differentiating spinal MM between metastases originating from lung cancer, which also outperforms the radiomics method and radiologist assessment.
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Affiliation(s)
- Kaili Chen
- Department of Hematology, Myeloma & Lymphoma Center, Shanghai Changzheng Hospital, Changzheng Hospital of the Naval Medical University, Huangpu, China
- *Correspondence: Juan Du, ; Shiyuan Liu, ; Lichi Zhang,
| | - Jiashi Cao
- Department of Orthopedics, No. 455 Hospital of Chinese People’s Liberation Army, Shanghai 455 Hospital, Navy Medical University, Shanghai, China
- Department of Orthopaedic Oncology, Spine Tumor Center, Shanghai Changzheng Hospital, Changzheng Hospital of the Navy Medical University, Huangpu, China
- *Correspondence: Juan Du, ; Shiyuan Liu, ; Lichi Zhang,
| | - Xin Zhang
- Institute for Medical Image Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Juan Du, ; Shiyuan Liu, ; Lichi Zhang,
| | - Xiang Wang
- Department of Radiology, Changzheng Hospital, Shanghai Changzheng Hospital, Navy Medical University, Huangpu, China
- *Correspondence: Juan Du, ; Shiyuan Liu, ; Lichi Zhang,
| | - Xiangyu Zhao
- Institute for Medical Image Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Qingchu Li
- Department of Radiology, Changzheng Hospital, Shanghai Changzheng Hospital, Navy Medical University, Huangpu, China
| | - Song Chen
- Department of Radiology, Changzheng Hospital, Shanghai Changzheng Hospital, Navy Medical University, Huangpu, China
| | - Peng Wang
- Department of Radiology, Changzheng Hospital, Shanghai Changzheng Hospital, Navy Medical University, Huangpu, China
| | - Tielong Liu
- Department of Orthopaedic Oncology, Spine Tumor Center, Shanghai Changzheng Hospital, Changzheng Hospital of the Navy Medical University, Huangpu, China
| | - Juan Du
- Department of Hematology, Myeloma & Lymphoma Center, Shanghai Changzheng Hospital, Changzheng Hospital of the Naval Medical University, Huangpu, China
- *Correspondence: Juan Du, ; Shiyuan Liu, ; Lichi Zhang,
| | - Shiyuan Liu
- Department of Radiology, Changzheng Hospital, Shanghai Changzheng Hospital, Navy Medical University, Huangpu, China
- *Correspondence: Juan Du, ; Shiyuan Liu, ; Lichi Zhang,
| | - Lichi Zhang
- Institute for Medical Image Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Juan Du, ; Shiyuan Liu, ; Lichi Zhang,
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Zarad CA, Elmaaty AAA, Shanab WSA. Dixon chemical shift MR sequences for demonstrating of bone marrow vertebral metastasis. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2022. [DOI: 10.1186/s43055-022-00861-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
This study aimed to investigate the diagnostic performance and clinical utility of different MR Dixon sequences in the characterization of vertebral metastasis in a patient with a history of malignant neoplasm and compare the results with 18-F FDG PET CT. Patients were subjected to MR imaging of the dorsal and lumbosacral spine (1.5 T MR machine) using conventional MR, T2 Dixon and T1 post-contrast Dixon.
Results
This study involved 40 patients (45% female and 55% male) with 161 metastatic lesions and median age 61.5 years. The sensitivities of T1 post-contrast water-only (WO), fat-only (FO) and opposed-phase (OP) Dixon for diagnosis of vertebral metastasis were 92.6%, 89.4% and 83.1%, respectively, while the sensitivity of T2 (WO, OP) Dixon was 78.3% with 100% specificity for both T1 and T2 Dixon. There were excellent positive clinical utilities of T1 post-contrast WO (0.925), FO (0.894) and OP (0.826) Dixon with the good positive clinical utility of T2 Dixon (0.783) for lesion finding. There were fair negative clinical utilities of T1 WO (0.636) and FO (0.553) Dixon with poor negative clinical utilities of T1 OP (0.429), T2 WO and OP (0.375) Dixon for lesion screening. 15% was the best in-phase/opposed-phase ratio for differentiation between metastatic and benign vertebral lesions.
Conclusions
MR Dixon techniques are sensitive and specific for the diagnosis of vertebral metastasis. T1 post-contrast and T2 Dixons have excellent and good positive clinical utilities for lesion finding with fair and poor negative clinical utilities for lesion screening, respectively.
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21
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Bone metastasis of hepatocellular carcinoma: facts and hopes from clinical and translational perspectives. Front Med 2022; 16:551-573. [DOI: 10.1007/s11684-022-0928-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/21/2022] [Indexed: 11/04/2022]
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22
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Xu C, Kong L, Deng X. Dual-Energy Computed Tomography For Differentiation Between Osteoblastic Metastases and Bone Islands. Front Oncol 2022; 12:815955. [PMID: 35903682 PMCID: PMC9315104 DOI: 10.3389/fonc.2022.815955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 06/09/2022] [Indexed: 11/23/2022] Open
Abstract
Objective The objective of our study was to evaluate the utility of Rho/Z on dual-energy computed tomography (DECT) for the differentiation of osteoblastic metastases (OBMs) from bone islands (BIs). Methods DECT images of 110 patients with malignancies were collected. The effective atomic number (Z), electron density (Rho), dual energy index (DEI), and regular CT (rCT) values were measured by two observers. Independent-sample t-test was used to compare these values between OBMs and BIs. The diagnostic performance was assessed by receiver operating characteristic (ROC) analysis and the cutoff values were evaluated according to ROC curves. Results A total of 205 OBMs and 120 BIs were included. The mean values of Z, Rho, DEI, and rCT of OBMs were significantly lower than those of BIs, whereas the standard deviation values were higher than those of BIs (all p ≤ 0.05). ROC analysis showed that 11.86 was the optimal cutoff value for Z, rendering an area under the ROC curve (AUC) of 0.91, with a sensitivity of 91.2% and a specificity of 82.5%. Conclusion DECT can provide quantitative values of Z, Rho, and DEI and has good performance in differentiating between OBMs and BIs.
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23
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Jaipanya P, Chanplakorn P. Prolonged durability of extensive contiguous spinal metastasis stabilization in non-small cell lung cancer patients receiving targeted therapy: two case reports and a literature review. J Int Med Res 2022; 50:3000605221105003. [PMID: 35681249 PMCID: PMC9189544 DOI: 10.1177/03000605221105003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Contiguous spinal metastasis poses a challenge for spine surgeons. In patients with a short remaining life expectancy, surgery may be discouraged. However, in select cases, surgery may be inevitable to eliminate pain and improve the patient’s quality of life. Additionally, with advancements in systemic cancer therapy, the efficacy and duration of tumor control have improved significantly. Consequently, a patient’s life expectancy may be difficult to estimate with existing prognostic scores. Because patients may achieve prolonged survival, spinal metastasis surgery could greatly benefit a patient’s quality of life. In this report, we present the details of two patients with non-small lung cancer with contiguous spinal metastasis who underwent spinal surgery for their metastatic disease. After surgery and targeted therapy with epidermal growth factor tyrosine kinase inhibitors (EGFR TKI), the patients attained substantial healing of their previously lytic spines and achieved prolonged survival of up to 42 months. With modern systemic therapy for lung cancer, the treatment of spinal metastatic disease can achieve decent outcomes, even in poor surgical candidates.
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Affiliation(s)
- Pilan Jaipanya
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 111 Suwannabhumi Canal Road, Bang Pla, Bang Phli District, Samut Prakan 10540, Thailand
| | - Pongsthorn Chanplakorn
- Department of Orthopedics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 270, Rama VI Road, Thung Phaya Thai, Ratchathewi District, Bangkok 10400, Thailand
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Jaipanya P, Chanplakorn P. Spinal metastasis: narrative reviews of the current evidence and treatment modalities. J Int Med Res 2022; 50:3000605221091665. [PMID: 35437050 PMCID: PMC9021485 DOI: 10.1177/03000605221091665] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The treatment for spinal metastasis has evolved significantly during the past decade. An advancement in systemic therapy has led to a prolonged overall survival in cancer patients, thus increasing the incidence of spinal metastasis. In addition, with the improved treatment armamentarium, the prediction of patient survival using traditional prognostic models may have limitations and these require the incorporation of some novel parameters to improve their prognostic accuracy. The development of minimally-invasive spinal procedures and minimal access surgical techniques have facilitated a quicker patient recovery and return to systemic treatment. These modern interventions help to alleviate pain and improve quality of life, even in candidates with a relatively short life expectancy. Radiotherapy may be considered in non-surgical candidates or as adjuvant therapy for improving local tumour control. Stereotactic radiosurgery has facilitated this even in radioresistant tumours and may even replace surgery in radiosensitive malignancies. This narrative review summarizes the current evidence leading to the paradigm shifts in the modern treatment of spinal metastasis.
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Affiliation(s)
- Pilan Jaipanya
- Chakri Naruebodindra Medical Institute, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand.,Department of Orthopaedics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Pongsthorn Chanplakorn
- Department of Orthopaedics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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25
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Rehabilitation in Advanced Cancer Patients with Bone Metastases and Neural Compromise: Current Status and Future Directions. Curr Oncol Rep 2022; 24:1023-1033. [PMID: 35362828 DOI: 10.1007/s11912-022-01229-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW This review aimed to increase the understanding of oncologists and physiatrists about the necessity, efficacy, and safety of rehabilitation in advanced cancer patients with bone metastases and neural compromise. RECENT FINDINGS Recently, there are growing evidence supporting the safety and efficacy of rehabilitation in patients with bone metastases and neural compromise. Despite the potential benefits of rehabilitation, however, rehabilitative services are considerably underutilized in clinical practice. Many oncologists are not familiar with functional issues and have limited understanding of the available rehabilitative services. Moreover, medical professionals, even physiatrists, have uncertainties and concerns about skeletal complications and often regard rehabilitation as a contraindication in this patient group. This review aimed to raise awareness on the role of rehabilitation in the continuum of cancer treatment, to improve its use in clinical practice. A multidisciplinary team approach involving physiatrist may facilitate integration of relevant clinicians.
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26
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Impact of Glucocorticoid Use in Oncology in the Immunotherapy Era. Cells 2022; 11:cells11050770. [PMID: 35269392 PMCID: PMC8909189 DOI: 10.3390/cells11050770] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/18/2022] [Accepted: 02/18/2022] [Indexed: 12/11/2022] Open
Abstract
Thanks to their anti-inflammatory, anti-oedema, and anti-allergy properties, glucocorticoids are among the most widely prescribed drugs in patients with cancer. The indications for glucocorticoid use are very wide and varied in the context of cancer and include the symptomatic management of cancer-related symptoms (compression, pain, oedema, altered general state) but also prevention or treatment of common side effects of anti-cancer therapies (nausea, allergies, etc.) or immune-related adverse events (irAE). In this review, we first give an overview of the different clinical situations where glucocorticoids are used in oncology. Next, we describe the current state of knowledge regarding the effects of these molecules on immune response, in particular anti-tumour response, and we summarize available data evaluating how these effects may interfere with the efficacy of immunotherapy using immune checkpoint inhibitors.
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27
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Hu X, Huang W, Sun Z, Ye H, Man K, Wang Q, Sun Y, Yan W. Predictive factors, preventive implications, and personalized surgical strategies for bone metastasis from lung cancer: population-based approach with a comprehensive cancer center-based study. EPMA J 2022; 13:57-75. [PMID: 35273659 PMCID: PMC8897531 DOI: 10.1007/s13167-022-00270-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 01/03/2022] [Indexed: 10/19/2022]
Abstract
Background Bone metastasis (BM) and skeletal-related events (SREs) happen to advanced lung cancer (LC) patients without warning. LC-BM patients are often passive to BM diagnosis and surgical treatment. It is necessary to guide the diagnosis and treatment paradigm for LC-BM patients from reactive medicine toward predictive, preventive, and personalized medicine (PPPM) step by step. Methods Two independent study cohorts including LC-BM patients were analyzed, including the Surveillance, Epidemiology, and End Results (SEER) cohort (n = 203942) and the prospective Fudan University Shanghai Cancer Center (FUSCC) cohort (n = 59). The epidemiological trends of BM in LC patients were depicted. Risk factors for BM were identified using a multivariable logistic regression model. An individualized nomogram was developed for BM risk stratification. Personalized surgical strategies and perioperative care were described for FUSCC cohort. Results The BM incidence rate in LC patients grew (from 17.53% in 2010 to 19.05% in 2016). Liver metastasis was a significant risk factor for BM (OR = 4.53, 95% CI = 4.38-4.69) and poor prognosis (HR = 1.29, 95% CI = 1.25-1.32). The individualized nomogram exhibited good predictive performance for BM risk stratification (AUC = 0.784, 95%CI = 0.781-0.786). Younger patients, males, patients with high invasive LC, and patients with other distant site metastases should be prioritized for BM prevention. Spine is the most common site of BM, causing back pain (91.5%), pathological vertebral fracture (27.1%), and difficult walking (25.4%). Spinal surgery with personalized spinal reconstruction significantly relieved pain and improved daily activities. Perioperative inflammation, immune, and nutrition abnormities warrant personalized managements. Radiotherapy needs to be recommended for specific postoperative individuals. Conclusions The presence of liver metastasis is a strong predictor of LC-BM. It is recommended to take proactive measures to prevent BM and its SREs, particularly in young patients, males, high invasive LC, and LC with liver metastasis. BM surgery and perioperative management are personalized and required. In addition, adjuvant radiation following separation surgery must also be included in PPPM-guided management. Graphical abstract Supplementary Information The online version contains supplementary material available at 10.1007/s13167-022-00270-9.
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Affiliation(s)
- Xianglin Hu
- grid.452404.30000 0004 1808 0942Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China ,grid.11841.3d0000 0004 0619 8943Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| | - Wending Huang
- grid.452404.30000 0004 1808 0942Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China ,grid.11841.3d0000 0004 0619 8943Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| | - Zhengwang Sun
- grid.452404.30000 0004 1808 0942Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China ,grid.11841.3d0000 0004 0619 8943Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| | - Hui Ye
- grid.267313.20000 0000 9482 7121Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390 USA
| | - Kwong Man
- grid.259384.10000 0000 8945 4455Department of General Surgery, University Hospital of Macau University of Science and Technology, Macau, 999078 China
| | - Qifeng Wang
- grid.452404.30000 0004 1808 0942Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, 200032 China
| | - Yangbai Sun
- grid.452404.30000 0004 1808 0942Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China ,grid.11841.3d0000 0004 0619 8943Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| | - Wangjun Yan
- grid.452404.30000 0004 1808 0942Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China ,grid.11841.3d0000 0004 0619 8943Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
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28
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Thio QCBS, Paulino Pereira NR, van Wulfften Palthe O, Sciubba DM, Bramer JAM, Schwab JH. Estimating survival and choosing treatment for spinal metastases: Do spine surgeons agree with each other? J Orthop 2021; 28:134-139. [PMID: 34924728 PMCID: PMC8665269 DOI: 10.1016/j.jor.2021.11.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/05/2021] [Accepted: 11/17/2021] [Indexed: 02/08/2023] Open
Abstract
Purpose This study aimed to investigate spine surgeons’ ability to estimate survival in patients with spinal metastases and whether survival estimates influence treatment recommendations. Methods 60 Spine surgeons were asked a survival estimate and treatment recommendation in 12 cases. Intraclass correlation coefficients and descriptive statistics were used to evaluate variability, accuracy and association of survival estimates with treatment recommendation. Results There was substantial variability in survival estimates amongst the spine surgeons. Survival was generally overestimated, and longer estimated survival seemed to lead to more invasive procedures. Conclusions Prognostic models to estimate survival may aid surgeons treating patients with spinal metastases.
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Affiliation(s)
- Quirina C B S Thio
- Department of Orthopaedic Surgery, Amsterdam University Medical Center Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam, the Netherlands.,Division of Orthopaedic Oncology, Department of Orthopaedics Massachusetts General Hospital - Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA
| | - Nuno Rui Paulino Pereira
- Division of Orthopaedic Oncology, Department of Orthopaedics Massachusetts General Hospital - Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA
| | - Olivier van Wulfften Palthe
- Division of Orthopaedic Oncology, Department of Orthopaedics Massachusetts General Hospital - Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA
| | - Daniel M Sciubba
- Department of Neurosurgery, The Johns Hopkins Hospital - the John Hopkins University School of Medicine, 1800 Orleans St, Baltimore, MD, 21287, USA
| | - Jos A M Bramer
- Department of Orthopaedic Surgery, Amsterdam University Medical Center Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam, the Netherlands
| | - Joseph H Schwab
- Division of Orthopaedic Oncology, Department of Orthopaedics Massachusetts General Hospital - Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA
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29
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Cardarelli-Leite L, Rassekh SR, D'Ortenzio R, Heran MKS. Vertebroplasty as a palliative treatment option for intractable pain in pediatric patients with spinal tumors. Pediatr Blood Cancer 2021; 68:e29307. [PMID: 34453400 DOI: 10.1002/pbc.29307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 08/08/2021] [Accepted: 08/09/2021] [Indexed: 12/23/2022]
Abstract
Primary and secondary malignant tumors of the spine are relatively uncommon in the pediatric population but are associated with high morbidity and significantly decreased quality of life due to pain. Local management of these tumors is often challenging due to the importance of maintaining vertebral mechanical integrity as well as the spinal growth potential. Typically, surgery and/or radiation therapy have been used in the primary management of these tumors. However, treatment options become more limited when there is relapse or refractory disease, with re-resection or additional radiotherapy often not being viable therapies. Vertebroplasty is a currently underutilized modality that might provide significant pain palliation in cases of relapsed cancer in the spine.
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Affiliation(s)
- Leandro Cardarelli-Leite
- Division of Interventional Radiology, Department of Medical Imaging, Western University, London, Ontario, Canada
| | - Shahrad Rod Rassekh
- Division of Hematology, Oncology and BMT, Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Robert D'Ortenzio
- Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada
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What's new in the management of metastatic bone disease. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 31:1547-1555. [PMID: 34643811 DOI: 10.1007/s00590-021-03136-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 09/27/2021] [Indexed: 12/19/2022]
Abstract
Metastatic bone disease is a common complication of malignant tumours. As cancer treatment improves the overall survival of patients, the number of patients with bone metastases is expected to increase. The treatments for bone metastases include surgery, radiotherapy, and bone-modifying agents, with patients with a short expected prognosis requiring less invasive treatment. Patients with metastatic bone disease show greatly varying primary tumour histology, metastases sites and numbers, and comorbidities. Therefore, randomised clinical trials are indispensable to compare treatments for these patients. This editorial reviews recent findings on the diagnosis and prognosis prediction and discusses the current treatment of patients with metastatic bone disease.
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31
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Furlan JC, Wilson JR, Massicotte EM, Sahgal A, Michael FG. Recent advances and new discoveries in the pipeline of the treatment of primary spinal tumors and spinal metastases: A scoping review. Neuro Oncol 2021; 24:1-13. [PMID: 34508647 DOI: 10.1093/neuonc/noab214] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The field of spinal oncology has substantially evolved over the past decades. This review synthesizes and appraises what was learned and what will potentially be discovered from the recently completed and ongoing clinical studies related to the treatment of primary and secondary spinal neoplasms. This scoping review included all clinical studies on the treatment of spinal neoplasms registered in the ClinicalTrials.gov website from February/2000 to December/2020. The terms "spinal cord tumor", "spinal metastasis", and "metastatic spinal cord compression" were used. Of the 174 registered clinical studies on primary spinal tumors and spinal metastasis, most of the clinical studies registered in this American registry were interventional studies led by single institutions in North America (n=101), Europe (n=43), Asia (n=24) or other continents (n=6). The registered clinical studies mainly focused on treatment strategies for spinal neoplasms (90.2%) that included investigating stereotactic radiosurgery (n=33), radiotherapy (n=21), chemotherapy (n=20), and surgical technique (n=11). Of the 69 completed studies, the results from 44 studies were published in the literature. In conclusion, this review highlights the key features of the 174 clinical studies on spinal neoplasms that were registered from 2000 to 2020. Clinical trials were heavily skewed towards the metastatic population as opposed to the primary tumours which likely reflects the rarity of the latter condition and associated challenges in undertaking prospective clinical studies in this population. This review serves to emphasize the need for a focused approach to enhancing translational research in spinal neoplasms with a particular emphasis on primary tumors.
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Affiliation(s)
- Julio C Furlan
- Lyndhurst Centre, Toronto Rehabilitation Institute, University Health Network, Toronto, Ontario, Canada.,KITE Research Institute, University Health Network, Toronto, Ontario, Canada.,Department of Medicine, Division of Physical Medicine and Rehabilitation, University of Toronto, Toronto, Ontario, Canada.,Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada.,Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada.,Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
| | - Jefferson R Wilson
- Department of Surgery, Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada.,St. Michael's Hospital, Toronto, Ontario, Canada
| | - Eric M Massicotte
- Department of Surgery, Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada.,Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Arjun Sahgal
- Department of Radiation Oncology, University of Toronto, Ontario, Canada.,Sunnybrook Health Sciences Centre, Ontario, Canada
| | - Fehlings G Michael
- Department of Surgery, Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada.,Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
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Tsukamoto S, Kido A, Tanaka Y, Facchini G, Peta G, Rossi G, Mavrogenis AF. Current Overview of Treatment for Metastatic Bone Disease. Curr Oncol 2021; 28:3347-3372. [PMID: 34590591 PMCID: PMC8482272 DOI: 10.3390/curroncol28050290] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/13/2021] [Accepted: 08/26/2021] [Indexed: 12/16/2022] Open
Abstract
The number of patients with bone metastasis increases as medical management and surgery improve the overall survival of patients with cancer. Bone metastasis can cause skeletal complications, including bone pain, pathological fractures, spinal cord or nerve root compression, and hypercalcemia. Before initiation of treatment for bone metastasis, it is important to exclude primary bone malignancy, which would require a completely different therapeutic approach. It is essential to select surgical methods considering the patient’s prognosis, quality of life, postoperative function, and risk of postoperative complications. Therefore, bone metastasis treatment requires a multidisciplinary team approach, including radiologists, oncologists, and orthopedic surgeons. Recently, many novel palliative treatment options have emerged for bone metastases, such as stereotactic body radiation therapy, radiopharmaceuticals, vertebroplasty, minimally invasive spine stabilization with percutaneous pedicle screws, acetabuloplasty, embolization, thermal ablation techniques, electrochemotherapy, and high-intensity focused ultrasound. These techniques are beneficial for patients who may not benefit from surgery or radiotherapy.
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Affiliation(s)
- Shinji Tsukamoto
- Department of Orthopaedic Surgery, Nara Medical University, 840, Shijo-cho, Kashihara 634-8521, Nara, Japan;
- Correspondence: ; Tel.: +81-744-22-3051
| | - Akira Kido
- Department of Rehabilitation Medicine, Nara Medical University, 840, Shijo-cho, Kashihara 634-8521, Nara, Japan;
| | - Yasuhito Tanaka
- Department of Orthopaedic Surgery, Nara Medical University, 840, Shijo-cho, Kashihara 634-8521, Nara, Japan;
| | - Giancarlo Facchini
- Department of Radiology and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, 40136 Bologna, Italy; (G.F.); (G.P.); (G.R.)
| | - Giuliano Peta
- Department of Radiology and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, 40136 Bologna, Italy; (G.F.); (G.P.); (G.R.)
| | - Giuseppe Rossi
- Department of Radiology and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, 40136 Bologna, Italy; (G.F.); (G.P.); (G.R.)
| | - Andreas F. Mavrogenis
- First Department of Orthopaedics, School of Medicine, National and Kapodistrian University of Athens, 41 Ventouri Street, 15562 Athens, Greece;
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Rapeaud E, Meynard C, Lecante F, Durdux C. [Bone metastasis: Efficacy and technical modalities of classical radiotherapy]. Cancer Radiother 2021; 25:707-712. [PMID: 34266736 DOI: 10.1016/j.canrad.2021.06.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 06/06/2021] [Accepted: 06/11/2021] [Indexed: 11/27/2022]
Abstract
Conventional radiotherapy is a pivotal treatment in the management of bone metastasis. It is indicated primarily for palliative, analgesic, or decompressive purposes and in the prevention of severe bone events such as fractures and spinal cord compressions. It should be performed as early as possible from the onset of symptoms or within 14days following a surgical procedure of decompression or bone stabilization. Except in some cases, a pattern of 8Gy single dose is currently recommended, possibly renewable, by being vigilant on associated treatments which some, like antiangiogenics, must be imperatively suspended.
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Affiliation(s)
- E Rapeaud
- Service d'oncologie-radiothérapie, hôpital européen Georges-Pompidou, 20, rue Leblanc, 75015 Paris, France
| | - C Meynard
- Service d'oncologie-radiothérapie, hôpital européen Georges-Pompidou, 20, rue Leblanc, 75015 Paris, France
| | - F Lecante
- Service d'oncologie-radiothérapie, hôpital européen Georges-Pompidou, 20, rue Leblanc, 75015 Paris, France
| | - C Durdux
- Service d'oncologie-radiothérapie, hôpital européen Georges-Pompidou, 20, rue Leblanc, 75015 Paris, France.
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Nudelman B, Mittal A, Rosinski A, Zaborovskii N, Wu S, Kondrashov D. Whole-Spine Magnetic Resonance Imaging: A Review of Suggested Indications. JBJS Rev 2021; 9:01874474-202107000-00004. [PMID: 34257232 DOI: 10.2106/jbjs.rvw.20.00267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
» The spinal column has a propensity for lesions to manifest in a multifocal manner, and identification of the lesions can be difficult. » When used to image the spine, magnetic resonance imaging (MRI) most accurately identifies the presence and location of lesions, guiding the treatment plan and preventing potentially devastating complications that are known to be associated with unidentified lesions. » Certain conditions clearly warrant evaluation with whole-spine MRI, whereas the use of whole-spine MRI with other conditions is more controversial. » We suggest whole-spine MRI when evaluating and treating any spinal infection, lumbar stenosis with upper motor neuron signs, ankylosing disorders of the spine with concern for fracture, congenital scoliosis undergoing surgical correction, and metastatic spinal tumors. » Use of whole-spine MRI in patients with idiopathic scoliosis and acute spinal trauma remains controversial.
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Affiliation(s)
- Brandon Nudelman
- San Francisco Orthopaedic Residency Program, San Francisco, California
| | - Ashish Mittal
- San Francisco Orthopaedic Residency Program, San Francisco, California
| | | | - Nikita Zaborovskii
- Spine Surgery and Oncology, R.R. Vreden Russian Research Institute of Traumatology and Orthopedics, Saint Petersburg, Russia
| | - Samuel Wu
- San Francisco Orthopaedic Residency Program, San Francisco, California
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Dennstädt F, Treffers T, Iseli T, Panje C, Putora PM. Creation of clinical algorithms for decision-making in oncology: an example with dose prescription in radiation oncology. BMC Med Inform Decis Mak 2021; 21:212. [PMID: 34247596 PMCID: PMC8274051 DOI: 10.1186/s12911-021-01568-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 06/29/2021] [Indexed: 12/03/2022] Open
Abstract
In oncology, decision-making in individual situations is often very complex. To deal with such complexity, people tend to reduce it by relying on their initial intuition. The downside of this intuitive, subjective way of decision-making is that it is prone to cognitive and emotional biases such as overestimating the quality of its judgements or being influenced by one’s current mood. Hence, clinical predictions based on intuition often turn out to be wrong and to be outperformed by statistical predictions. Structuring and objectivizing oncological decision-making may thus overcome some of these issues and have advantages such as avoidance of unwarranted clinical practice variance or error-prevention. Even for uncertain situations with limited medical evidence available or controversies about the best treatment option, structured decision-making approaches like clinical algorithms could outperform intuitive decision-making. However, the idea of such algorithms is not to prescribe the clinician which decision to make nor to abolish medical judgement, but to support physicians in making decisions in a systematic and structured manner. An example for a use-case scenario where such an approach may be feasible is the selection of treatment dose in radiation oncology. In this paper, we will describe how a clinical algorithm for selection of a fractionation scheme for palliative irradiation of bone metastases can be created. We explain which steps in the creation process of a clinical algorithm for supporting decision-making need to be performed and which challenges and limitations have to be considered.
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Affiliation(s)
- Fabio Dennstädt
- Department of Radiation Oncology, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9000, St. Gallen, Switzerland.
| | - Theresa Treffers
- Seeburg Castle University, Seekirchen am Wallersee, Austria.,TUM School of Management, Technical University of Munich, Munich, Germany
| | - Thomas Iseli
- Department of Radiation Oncology, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9000, St. Gallen, Switzerland
| | - Cédric Panje
- Department of Radiation Oncology, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9000, St. Gallen, Switzerland.,Department of Radiation Oncology, University of Berne, Berne, Switzerland
| | - Paul Martin Putora
- Department of Radiation Oncology, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9000, St. Gallen, Switzerland.,Department of Radiation Oncology, University of Berne, Berne, Switzerland
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Shawky Abdelgawaad A, Ezzati A, Krajnovic B, Seyed-Emadaldin S, Abdelrahman H. Radiofrequency ablation and balloon kyphoplasty for palliation of painful spinal metastases. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2021; 30:2874-2880. [PMID: 33961090 DOI: 10.1007/s00586-021-06858-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 04/27/2021] [Indexed: 12/23/2022]
Abstract
PURPOSE This study was designed with an aim to assess the safety and early postoperative outcomes of the combined Radiofrequency ablation (RFA) and Balloon Kyphoplasty (BKP) used for the treatment of painful neoplastic spinal lesions palliatively. PATIENTS AND METHODS Between December 2015 and December 2018, 60 patients (35 men and 25 women) with spinal metastases were operated using RFA and BKP at our institution. Transpedicular biopsy was performed in all cases. Patients' demographics, lesion characteristics, concurrent palliative therapies and complications were recorded. All patients were clinically (Pain score VAS 0-10) and radiologically evaluated pre- and postoperatively. Retrospective analysis of data for this cohort was performed. RESULTS Seventy-five painful spinal metastases (46 in the lumbar spine and 29 in the thoracic region) in 60 patients were operated [transpedicular RFA alone in 5 lesions, and in combination with BKP in 70 lesions (93%)]. The mean pre-procedure and post-procedure VAS for back pain was 7.2/10 and 2.7/10, respectively (p value = 0.0001). No neurological complications related to RFA were found and no cement extravasation into the spinal canal was observed. In two patients, asymptomatic leaks into the needle track, in two patients into draining veins and in one patient into the disk space were detected. CONCLUSION Combined RFA and BKP appears to be a safe, practical, effective and reproducible palliative treatment for painful spinal osteolytic metastasis. In carefully indicated cases, it relieves pain and maintains stability in a minimal invasive way without adding significant surgical trauma or complications.
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Affiliation(s)
- Ahmed Shawky Abdelgawaad
- Spine Center, Helios Hospitals Erfurt, Nordhaeuser Street 74, 99089, Erfurt, Germany. .,Department of Orthopaedics, Assiut University Hospitals, Assiut, 71515, Egypt.
| | - Ali Ezzati
- Spine Center, Helios Hospitals Erfurt, Nordhaeuser Street 74, 99089, Erfurt, Germany
| | - Branko Krajnovic
- Spine Center, Helios Hospitals Erfurt, Nordhaeuser Street 74, 99089, Erfurt, Germany
| | - Sadat Seyed-Emadaldin
- Spine Center, Helios Hospitals Erfurt, Nordhaeuser Street 74, 99089, Erfurt, Germany
| | - Hamdan Abdelrahman
- Spine Center, Helios Hospitals Erfurt, Nordhaeuser Street 74, 99089, Erfurt, Germany
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Xu S, Liu T, Zhang X, Liu H, Zhao Z, Xu L, Yu S. Efficacy of percutaneous vertebroplasty for the relief of osteoblastic spinal metastasis pain. Exp Ther Med 2021; 22:727. [PMID: 34007336 PMCID: PMC8120652 DOI: 10.3892/etm.2021.10159] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 03/17/2021] [Indexed: 11/11/2022] Open
Abstract
The aim of the present manuscript was to retrospectively evaluate the efficacy of fluoroscopy-guided percutaneous vertebroplasty (PVP) for the relief of osteoblastic spinal metastases pain. PVP was performed in 39 consecutive patients with 82 osteoblastic metastatic spinal vertebras. 19 vertebras had pathologic compressive fracture and the other 63 vertebras had no compressive fracture with obvious imaging abnormalities. The ages of the patients ranged from 40 to 77 years with a mean age of 58.5±9.0 years. Visual analog scale (VAS) and QLQ-BM22 score were used to evaluate pain and quality of life at 2 days pre-operation and at 1 week and 3 months post-operation. Among all 82 vertebras, 35 vertebras had been injected bilaterally and the other 47 vertebras unilaterally. The amount of cement injected per lesion ranged from 0.5 to 4.5 ml with a mean volume of 1.6±0.8 ml. Cement deposition in all lesions was uniform. The patients were followed up from 3 to 15.5 months with a mean follow up time of 5.6±3.4 months. Mean VAS score declined significantly from preoperative 4.3±2.4 to postoperative 3.0±1.7 at 1 week and 2.4±2.0 at 3 months after the procedure (P=0.001). Mean QLQ-BM22 score declined significantly from preoperative 49.1±12.3 to postoperative 42.4±9.5 at 1 week and 39.6±10.4 at 3 months after the procedure (P<0.001). Extraosseous cement leakage occurred in 21 vertebras of 13 cases and in 1 case into the thoracic vertebra canal without causing any clinical complications. No further procedures were performed after leakage. PVP is an effective treatment for painful osteoblastic spinal metastases. It can relieve pain, reduce disability and improve function. The main complications are bone cement leakage and incomplete pain relief.
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Affiliation(s)
- Songfeng Xu
- Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, P.R. China.,Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital and Shenzhen Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Shenzhen, Guangdong 518116, P.R. China
| | - Ting Liu
- Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, P.R. China
| | - Xinxin Zhang
- Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, P.R. China
| | - Huanmei Liu
- Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, P.R. China
| | - Zhenguo Zhao
- Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, P.R. China
| | - Libin Xu
- Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, P.R. China
| | - Shengji Yu
- Department of Orthopedics, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, P.R. China
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Wagner A, Haag E, Joerger AK, Jost P, Combs SE, Wostrack M, Gempt J, Meyer B. Comprehensive surgical treatment strategy for spinal metastases. Sci Rep 2021; 11:7988. [PMID: 33846484 PMCID: PMC8042046 DOI: 10.1038/s41598-021-87121-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 03/24/2021] [Indexed: 12/31/2022] Open
Abstract
The management of patients with spinal metastases (SM) requires a multidisciplinary team of specialists involved in oncological care. Surgical management has evolved significantly over the recent years, which warrants reevaluation of its role in the oncological treatment concept. Any patient with a SM was screened for study inclusion. We report baseline characteristics, surgical procedures, complication rates, functional status and outcome of a large consecutive cohort undergoing surgical treatment according to an algorithm. 667 patients underwent 989 surgeries with a mean age of 65 years (min/max 20–94) between 2007 and 2018. The primary cancers mostly originated from the prostate (21.7%), breast (15.9%) and lung (10.0%). Surgical treatment consisted of dorsoventral stabilization in 69.5%, decompression without instrumentation in 12.5% and kyphoplasty in 18.0%. Overall survival reached 18.4 months (95% CI 9.8–26.9) and the median KPS increased by 10 within hospital stay. Surgical management of SMs should generally represent the first step of a conclusive treatment algorithm. The need to preserve long-term symptom control and biomechanical stability requires a surgical strategy currently not supported by level I evidence.
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Affiliation(s)
- Arthur Wagner
- Department of Neurosurgery, Klinikum Rechts Der Isar, Technical University Munich School of Medicine, Ismaninger Str. 22, 81675, Munich, Germany.
| | - Elena Haag
- Department of Neurosurgery, Klinikum Rechts Der Isar, Technical University Munich School of Medicine, Ismaninger Str. 22, 81675, Munich, Germany
| | - Ann-Kathrin Joerger
- Department of Neurosurgery, Klinikum Rechts Der Isar, Technical University Munich School of Medicine, Ismaninger Str. 22, 81675, Munich, Germany
| | - Philipp Jost
- Department of Hematology and Oncology, Technical University Munich School of Medicine, Munich, Germany
| | - Stephanie E Combs
- Department of Radiation Oncology, Technical University Munich School of Medicine, Munich, Germany
| | - Maria Wostrack
- Department of Neurosurgery, Klinikum Rechts Der Isar, Technical University Munich School of Medicine, Ismaninger Str. 22, 81675, Munich, Germany
| | - Jens Gempt
- Department of Neurosurgery, Klinikum Rechts Der Isar, Technical University Munich School of Medicine, Ismaninger Str. 22, 81675, Munich, Germany
| | - Bernhard Meyer
- Department of Neurosurgery, Klinikum Rechts Der Isar, Technical University Munich School of Medicine, Ismaninger Str. 22, 81675, Munich, Germany
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Xu H, Liu X, George MN, Miller AL, Park S, Xu H, Terzic A, Lu L. Black phosphorus incorporation modulates nanocomposite hydrogel properties and subsequent MC3T3 cell attachment, proliferation, and differentiation. J Biomed Mater Res A 2021; 109:1633-1645. [PMID: 33650768 DOI: 10.1002/jbm.a.37159] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 12/20/2022]
Abstract
A promising strategy that emerged in tissue engineering is to incorporate two-dimensional (2D) materials into polymer scaffolds, producing materials with desirable mechanical properties and surface chemistries, which also display broad biocompatibility. Black phosphorus (BP) is a 2D material that has sparked recent scientific interest due to its unique structure and electrochemical characteristics. In this study, BP nanosheets (BPNSs) were incorporated into a cross-linkable oligo[poly(ethylene glycol) fumarate] (OPF) hydrogel to produce a new nanocomposite for bone regeneration. BPNSs exhibited a controllable degradation rate coupled with the release of phosphate in vitro. MTS assay results together with live/dead images confirmed that the introduction of BPNSs into OPF hydrogels enhanced MC3T3-E1 cell proliferation. Moreover, the morphology parameters indicated better attachments of cells in the BPNSs containing group. Immunofluorescence images as well as intercellular ALP and OCN activities showed that adding a certain amount of BPNSs to OPF hydrogel could greatly improve differentiation of pre-osteoblasts on the hydrogel. Additionally, embedding black phosphorous into a neutral polymer network helped to control its cytotoxicity, with optimal cell growth observed at BP concentrations as high as 500 ppm. These results reinforced that the supplementation of OPF with BPNSs can increase the osteogenic capacity of polymer scaffolds for use in bone tissue engineering.
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Affiliation(s)
- Haocheng Xu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA.,Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.,Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, China
| | - Xifeng Liu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA.,Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Matthew N George
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA.,Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - A Lee Miller
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Sungjo Park
- Department of Cardiovascular Diseases and Center for Regenerative Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Hao Xu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA.,Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Andre Terzic
- Department of Cardiovascular Diseases and Center for Regenerative Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Lichun Lu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA.,Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Kong Y, Ma XW, Zhang QQ, Zhao Y, Feng HL. Gastrointestinal stromal tumor with multisegmental spinal metastases as first presentation: A case report and review of the literature. World J Clin Cases 2021; 9:1490-1498. [PMID: 33644220 PMCID: PMC7896676 DOI: 10.12998/wjcc.v9.i6.1490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/13/2020] [Accepted: 12/28/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Gastrointestinal stromal tumor (GIST) usually originates in the stomach, followed by the small intestine, rectum, and other parts of the gastrointestinal tract. The most common sites of metastasis are the liver and peritoneum, whereas spinal metastases from GIST are extremely rare.
CASE SUMMARY We found a case of GIST with the first presentation of multilevel spinal metastases involving the thoracic and lumbar vertebrae. A 61-year-old Chinese man presented to our clinic because of pain in his lower back and hip for 10 d without cause. Subsequently, computed tomography (CT) and magnetic resonance imaging (MRI) revealed abnormal signals in the vertebral appendages of T12 and L4 accompanied by spinal canal stenosis, which was considered as tumor metastasis. As there were no metastases to vital organs, posterior thoracic and lumbar spinal decompression + adnexal mass resection + pedicle internal fixation was adopted to achieve local cure and prevent nerve compression. The results of histopathological studies were consistent with the metastasis of GIST. No local recurrence or new metastases were found at the 6-mo follow-up at the surgical site. The patient has no neurological symptoms at present. It is worth mentioning that a rectal mass was found and surgically removed 1 mo after the patient was discharged from hospital, and the pathological diagnosis of the mass was GIST.
CONCLUSION By reviewing 26 previously reported cases of spinal metastasis in GIST, it was found that spinal metastasis of GIST has become more common in recent years, so the possibility of early spinal metastasis should be recognized. CT and MRI are of great value in the diagnosis of spinal metastatic tumors, and pathological biopsy is the gold standard for the diagnosis of metastatic tumors. It is safe and feasible to treat isolated spinal metastasis in GIST by excising metastatic masses, decompressing the spinal canal, and stabilizing the spine.
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Affiliation(s)
- Yan Kong
- Department of Medical Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei Province, China
| | - Xiao-Wei Ma
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei Province, China
| | - Qian-Qian Zhang
- Department of Gynecology, Hebei Medical University Second Affiliated Hospital, Shijiazhuang 050000, Hebei Province, China
| | - Yi Zhao
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei Province, China
| | - He-Lin Feng
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei Province, China
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41
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Aldea M, Orillard E, Mansi L, Marabelle A, Scotte F, Lambotte O, Michot JM. How to manage patients with corticosteroids in oncology in the era of immunotherapy? Eur J Cancer 2020; 141:239-251. [DOI: 10.1016/j.ejca.2020.09.032] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/15/2020] [Accepted: 09/25/2020] [Indexed: 02/08/2023]
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42
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Thureau S, Faivre JC, Assaker R, Biver E, Confavreux CB, Debiais F, Duterque-Coquillaud M, Giammarile F, Heymann D, Lecouvet FE, Morardet L, Paycha F, Body JJ, Vieillard MH. Adapting palliative radiation therapy for bone metastases during the Covid-19 pandemic: GEMO position paper. J Bone Oncol 2020; 22:100291. [PMID: 32292693 PMCID: PMC7152868 DOI: 10.1016/j.jbo.2020.100291] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 12/25/2022] Open
Abstract
The COVID-19 crisis requires a reorganization of the health system, particularly in radiotherapy. Metastatic patients are particularly fragile. A single 8Gy fraction is recommended for most clinical situations.
The current health crisis caused by COVID-19 is a challenge for oncology treatment, especially when it comes to radiotherapy. Cancer patients are already known to be very fragile and COVID-19 brings about the risk of severe respiratory complications. In order to treat patients safely while protecting medical teams, the entire health care system must optimize the way it approaches prevention and treatment at a time when social distancing is key to stemming this pandemic. All indications and treatment modalities must be re-discussed. This is particularly the case for radiotherapy of bone metastases for which it is possible to reduce the number of sessions, the frequency of transport and the complexity of treatments. These changes will have to be discussed according to the organization of each radiotherapy department and the health situation, while medical teams must remain vigilant about the risks of complications of bone metastases, particularly spinal metastases. In this short piece, the members of the GEMO (the European Study Group of Bone Metastases) offer a number of recommendations to achieve the above objectives, both in general and in relation to five of the most common situations on radiation therapy for bone metastases.
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Affiliation(s)
- Sébastien Thureau
- Radiation department, Center Henri Becquerel, Quantif-Litis EA 4108, University of Rouen, Rouen, France
| | - Jean Christophe Faivre
- Radiation department, Institut de Cancérologie de Lorraine - Alexis-Vautrin, Vandœuvre-lès-Nancy, France
| | - Richard Assaker
- University Department of neurosurgery, Lille University Hospital, Lille, France
| | - Emmanuel Biver
- Division of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Cyrille B Confavreux
- INSERM UMR 1033 - University of Lyon, Bone Metastasis Expert Center (CEMOS) Cancer Institute of Hospices Civils de Lyon, Rheumatology Department, Centre Hospitalier Lyon Sud, Pierre Bénite, F- 69310 France
| | | | | | | | - Dominique Heymann
- Institut de Cancérologie de l'Ouest, University of Nantes, Inserm, CRCINA, Saint-Herblain, France
| | - Frédéric E Lecouvet
- Institut du Cancer Roi Albert 2, Cliniques Universitaires Saint-Luc, Service de Radiologie et d'Imagerie Médicale, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | | | - Frederic Paycha
- Nuclear Medicine Department, Lariboisière University Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jean-Jacques Body
- Department of Medicine, CHU Brugmann, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Marie-Hélène Vieillard
- University department of Rheumatology, Lille University hospital; Oscar Lambret Center; CNRS UMR9020, INSERM UMR1277, University of Lille, Institut Pasteur, Lille
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